CN103426033A - Power distribution network fault recovery optimization rebuilding algorithm based on critical path method - Google Patents

Power distribution network fault recovery optimization rebuilding algorithm based on critical path method Download PDF

Info

Publication number
CN103426033A
CN103426033A CN201310330248XA CN201310330248A CN103426033A CN 103426033 A CN103426033 A CN 103426033A CN 201310330248X A CN201310330248X A CN 201310330248XA CN 201310330248 A CN201310330248 A CN 201310330248A CN 103426033 A CN103426033 A CN 103426033A
Authority
CN
China
Prior art keywords
load
distribution network
scheme
node
fault
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310330248XA
Other languages
Chinese (zh)
Other versions
CN103426033B (en
Inventor
时金媛
苏标龙
杜红卫
沈浩东
刘健
韩韬
宋英华
张贺
谭志军
陈国亮
潘宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Power Science Research Of Shaanxi Electric Power Co
State Grid Corp of China SGCC
Nari Technology Co Ltd
State Grid Electric Power Research Institute
Original Assignee
Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Nari Technology Co Ltd
State Grid Electric Power Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd, Nari Technology Co Ltd, State Grid Electric Power Research Institute filed Critical Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Priority to CN201310330248.XA priority Critical patent/CN103426033B/en
Publication of CN103426033A publication Critical patent/CN103426033A/en
Application granted granted Critical
Publication of CN103426033B publication Critical patent/CN103426033B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a power distribution network fault recovery optimization rebuilding algorithm based on a critical path method. After a fault occurs in a power distribution network, a power supply recovery system analyzes and judges the fault occurring in the power distribution network in real time according to relevant information, a correct effective sound power-loss area power supply recovery strategy is provided to help a dispatcher to accurately determine the fault position and isolate a fault area to quickly recover power supply in non-fault areas. Optimization recovery of power supply of non-sound areas of the power distribution network is facilitated, the scheduling level of the power distribution network is improved, power failure time is reduced, safety, reliability and economy of the power distribution network are improved, and good application prospects are achieved.

Description

Distribution network failure recovery and optimization restructing algorithm based on critical path method
Technical field
The present invention relates to the intelligent grid technical field, be specifically related to a kind of distribution network failure recovery and optimization restructing algorithm based on critical path method.
Background technology
In recent years before, State Grid Corporation of China has formally announced " strong intelligent grid " plan to external world, and in personages of various circles of society's presence and cooperation, carried out a large amount of research and practice work in association area, and obtained certain achievement, can say, the intelligent grid construction of China is fully under way.
Distribution automation utilizes modern electronic technology exactly, mechanics of communication, computing machine and network technology, realize the monitoring under the normal operation of distribution system and accident conditions, protection, the modernization of control and distribution management, along with the high speed development of national economy and going deep into of reform and opening-up, power consumer is more and more higher to the requirement of the quality of power supply and power supply reliability, but voltage fluctuation and power failure in short-term all can cause huge loss, therefore, need to realize in conjunction with electric network reconstruction power distribution automation in power distribution network, to improve the management level of power distribution network, the high-quality electric energy is provided for vast power consumer is continual, feeder automation (FA), as one of important module of distribution automation, it provides effective support means to improving power supply reliability.
Because its point of power distribution network is many, wide, the probability broken down is relatively many.Therefore; it is particularly important that the distribution network failure treatment technology seems; the distribution network failure processing can be divided into two parts and complete, and a part is localization of fault and isolated operation, and another part is the service restoration operation of non-fault zone; at present; for the algorithm of localization of fault, according to corresponding guard signal, for trouble spot, position and provide the corresponding failure isolation scheme, substantially sound; but, to non-fault zone (sound zone) service restoration operative algorithm, but exist very large room for improvement.
The service restoration method of present stage, the general single service restoration that solves the simple net frame, but, for complicated rack, when turning for load, needs exceed beyond the power supply capacity in single service restoration path, majority is processed in the mode of removal of load, and in fact, generally all there is multiple service restoration path in existing supply network, while exceeding beyond the power supply capacity in single service restoration path for load, need to rationally split for load, can meet power demands, more complicated, be based on the heuristic search algorithm of switching manipulation sequence in prior art for fault recovery restructing algorithm great majority, the major advantage of these algorithms is that speed is fast, the algorithm that separately has some algorithms to adopt optimized algorithm and heuristic algorithm to combine, it can effectively implement the switching manipulation of service restoration, the advantage of these algorithms is not rely on original system architecture, but, when feasible program does not exist, above-mentioned algorithm all can not be used, and a preferred plan that as far as possible reduces the load dead electricity that is difficult to avoid can't be provided, and is current problem in the urgent need to address.
Summary of the invention
Technical matters solved by the invention is the service restoration method that overcomes present stage, but when feasible program does not exist, a problem that as far as possible reduces the preferred plan of the load dead electricity that is difficult to avoid can't be provided, distribution network failure recovery and optimization restructing algorithm based on critical path method provided by the invention, it is convenient that to power distribution network, the non-optimization that perfects block supply recovers, improved the scheduling level of power distribution network, reduced power off time, improved security, reliability and the economy of power distribution network, had a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of distribution network failure recovery and optimization restructing algorithm based on critical path method is characterized in that: comprises the following steps,
Step (A), the fault in the isolation power distribution network, form the sound zone that needs power supply;
Step (B), judge whether single supply path meets strong region-wide power demands, if can meet, execution step (E), if can not meet, perform step (C);
Step (C), according to the supply path constraint, carry out holistic approach to strong region-wide grid structure, obtains the reconfiguration scheme of a plurality of fault recoveries;
Step (D), the power supply capacity of each reconfiguration scheme of verification, generate removal of load total volume, load balancing value and the operation steps number of corresponding reconfiguration scheme, and generate corresponding reconfiguration scheme priority according to optimum condition;
Step (E) obtains the single supply path of step (B) or step (D) reconfiguration scheme of priority, and write into Databasce, after electric power system is called, to strong region-wide power supply, completes fault recovery reconstruct.
The aforesaid distribution network failure recovery and optimization restructing algorithm based on critical path method is characterized in that: step (C) is carried out holistic approach to strong region-wide grid structure, and the method for reconfiguration scheme that obtains a plurality of fault recoveries is as follows,
(C1) will be good for region-wide beginning equipment and carry out node definition;
(C2) according to node-classification, will be good for region-wide node division is the backbone connected node, turns the power supply source path node, branch's load bus and branch's intermediate node four classes;
(C3) strong region-wide rack abbreviation;
(C4) load distribution of complete trails, according to supply path constraint, to the poll that restored electricity respectively of strong region-wide each node after the rack abbreviation, generate the reconfiguration scheme of a plurality of fault recoveries.
The aforesaid distribution network failure recovery and optimization restructing algorithm based on critical path method is characterized in that: (C3) method of strong region-wide rack abbreviation is,
1) retain the backbone connected node, the flow direction by branch's load bus according to electric current hangs on the backbone connected node;
2) remove branch's intermediate node;
3) retain and turn the power supply source path node.
The aforesaid distribution network failure recovery and optimization restructing algorithm based on critical path method is characterized in that: the method for removal of load total volume, load balancing value and operation steps number that step (D) generates corresponding reconfiguration scheme is as follows,
(D1) according to turning for capacity after corresponding reconfiguration scheme removal of load, generate the load factor that each turns the power-supply device that the power supply source path node is corresponding;
(D2), according to load factor, calculate its load factor sample variance, as the load balancing value of this load distribution scheme;
(D3) according to turning of load distribution scheme, supply the path number to advance, calculate the operation steps number of each load distribution scheme.
The aforesaid distribution network failure recovery and optimization restructing algorithm based on critical path method is characterized in that: the method that step (D) generates corresponding reconfiguration scheme priority according to optimum condition is,
(1) according to the final removal of load amount in each dead electricity zone, arrange, the scheme that final removal of load amount is larger is more preferential;
(2) according to the load balancing value, arrange, the scheme that the load balancing value is less is more preferential;
(3) according to the operation steps number, arrange, the scheme that the operation steps number is less is more preferential.
The invention has the beneficial effects as follows: the distribution network failure recovery and optimization restructing algorithm based on critical path method of the present invention, after breaking down in power distribution network, the service restoration system is according to for information about the fault occurred in power distribution network being carried out to real-time analysis and judgement, propose correctly effectively to perfect dead electricity block supply recovery policy, help the yardman accurately to determine abort situation, the isolated fault zone, the non-fault zone power supply of fast quick-recovery, it is convenient that to power distribution network, the non-optimization that perfects block supply recovers, improved the scheduling level of power distribution network, reduced power off time, improved the security of power distribution network, reliability and economy, have a good application prospect.
The accompanying drawing explanation
Fig. 1 is the process flow diagram of the complete trails distribution network failure recovery and optimization reconstructing method based on the supply path constraint of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
Distribution network failure recovery and optimization restructing algorithm based on critical path method of the present invention, after breaking down in power distribution network, the service restoration system is according to for information about the fault occurred in power distribution network being carried out to real-time analysis and judgement, propose correctly effectively to perfect dead electricity block supply recovery policy, help the yardman accurately to determine abort situation, the isolated fault zone, the non-fault zone power supply of fast quick-recovery, it is convenient that to power distribution network, the non-optimization that perfects block supply recovers, improved the scheduling level of power distribution network, reduced power off time, improved the security of power distribution network, reliability and economy, as shown in Figure 1, specifically comprise the following steps,
Step (A), the fault in the isolation power distribution network, form the sound zone that needs power supply;
Step (B), judge whether single supply path meets strong region-wide power demands, if can meet, execution step (E), if can not meet, perform step (C);
Step (C), according to the supply path constraint, carry out holistic approach to strong region-wide grid structure, obtains the reconfiguration scheme of a plurality of fault recoveries, and method is as follows,
(C1) will be good for region-wide beginning equipment and carry out node definition;
(C2) according to node-classification, will be good for region-wide node division is the backbone connected node, turns the power supply source path node, branch's load bus and branch's intermediate node four classes;
(C3) strong region-wide rack abbreviation
1) retain the backbone connected node, the flow direction by branch's load bus according to electric current hangs on the backbone connected node, the power supply capacity deficiency turn on the power supply source path node with the branch's load bus that articulates of all backbone connected nodes added up, load is arranged one by one by important level; The load queue that important level is identical is arranged one by one according to payload;
2) remove branch's intermediate node;
3) retain and turn the power supply source path node;
(C4) load distribution of complete trails, according to supply path constraint, to the poll that restored electricity respectively of strong region-wide each node after the rack abbreviation, generate the reconfiguration scheme of a plurality of fault recoveries;
Step (D), the power supply capacity of each reconfiguration scheme of verification, generate removal of load total volume, load balancing value and the operation steps number of corresponding reconfiguration scheme, and computing method are as follows,
(D1) according to turning for capacity after corresponding reconfiguration scheme removal of load, generate the load factor that each turns the power-supply device that the power supply source path node is corresponding;
(D2), according to load factor, calculate its load factor sample variance, as the load balancing value of this load distribution scheme;
(D3) according to turning of load distribution scheme, supply the path number to advance, calculate the operation steps number of each load distribution scheme, as shown in table 1, in a certain load distribution scheme, supply path is that the backbone node that supply path 1(need cut-off operation is 2), the backbone node that supply path 2(need cut-off operation is 5), supply path 4(is without opening operation), the operation steps number of this load distribution scheme is 5 steps:
The operation steps number of a certain load distribution scheme of table 1
Figure BDA00003595909000071
Generate corresponding reconfiguration scheme priority according to optimum condition, according to following principle,
1) according to the final removal of load amount in each dead electricity zone, arrange, the scheme that final removal of load amount is larger is more preferential, and important load is answered the priority restores power supply, reduces the harmful effect of outage;
2) according to the load balancing value, arrange, the scheme that the load balancing value is less is more preferential, distribution network system economical operation as much as possible after recovering, concrete reflection is that after recovering, the network loss of distribution network system should be lacked as much as possible, recovering decision-making should be assigned to each feeder line by the load in dead electricity zone as far as possible equably, realizes balancing the load;
3) according to the operation steps number, arrange, the scheme that the operation steps number is less is more preferential, and total number of operations of switchgear is limited, and for extending the serviceable life of switchgear, number of operations is more few better;
Step (E) obtains the single supply path of step (B) or step (D) reconfiguration scheme of priority, and write into Databasce, after electric power system is called, to strong region-wide power supply, completes fault recovery reconstruct.
Above demonstration and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (5)

1. the distribution network failure recovery and optimization restructing algorithm based on critical path method is characterized in that: comprises the following steps,
Step (A), the fault in the isolation power distribution network, form the sound zone that needs power supply;
Step (B), judge whether single supply path meets strong region-wide power demands, if can meet, execution step (E), if can not meet, perform step (C);
Step (C), according to the supply path constraint, carry out holistic approach to strong region-wide grid structure, obtains the reconfiguration scheme of a plurality of fault recoveries;
Step (D), the power supply capacity of each reconfiguration scheme of verification, generate removal of load total volume, load balancing value and the operation steps number of corresponding reconfiguration scheme, and generate corresponding reconfiguration scheme priority according to optimum condition;
Step (E) obtains the single supply path of step (B) or step (D) reconfiguration scheme of priority, and write into Databasce, after electric power system is called, to strong region-wide power supply, completes fault recovery reconstruct.
2. the distribution network failure recovery and optimization restructing algorithm based on critical path method according to claim 1 is characterized in that: step (C) is carried out holistic approach to strong region-wide grid structure, and the method for reconfiguration scheme that obtains a plurality of fault recoveries is as follows,
(C1) will be good for region-wide beginning equipment and carry out node definition;
(C2) according to node-classification, will be good for region-wide node division is the backbone connected node, turns the power supply source path node, branch's load bus and branch's intermediate node four classes;
(C3) strong region-wide rack abbreviation;
(C4) load distribution of complete trails, according to supply path constraint, to the poll that restored electricity respectively of strong region-wide each node after the rack abbreviation, generate the reconfiguration scheme of a plurality of fault recoveries.
3. the distribution network failure recovery and optimization restructing algorithm based on critical path method according to claim 2 is characterized in that: (C3) method of strong region-wide rack abbreviation is,
1) retain the backbone connected node, the flow direction by branch's load bus according to electric current hangs on the backbone connected node;
2) remove branch's intermediate node;
3) retain and turn the power supply source path node.
4. the distribution network failure recovery and optimization restructing algorithm based on critical path method according to claim 1 is characterized in that: the method for removal of load total volume, load balancing value and operation steps number that step (D) generates corresponding reconfiguration scheme is as follows,
(D1) according to turning for capacity after corresponding reconfiguration scheme removal of load, generate the load factor that each turns the power-supply device that the power supply source path node is corresponding;
(D2), according to load factor, calculate its load factor sample variance, as the load balancing value of this load distribution scheme;
(D3) according to turning of load distribution scheme, supply the path number to advance, calculate the operation steps number of each load distribution scheme.
5. the distribution network failure recovery and optimization restructing algorithm based on critical path method according to claim 1, it is characterized in that: the method that step (D) generates corresponding reconfiguration scheme priority according to optimum condition is
(1) according to the final removal of load amount in each dead electricity zone, arrange, the scheme that final removal of load amount is larger is more preferential;
(2) according to the load balancing value, arrange, the scheme that the load balancing value is less is more preferential;
(3) according to the operation steps number, arrange, the scheme that the operation steps number is less is more preferential.
CN201310330248.XA 2013-07-31 2013-07-31 Power distribution network fault recovery optimization rebuilding method based on critical path method Active CN103426033B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310330248.XA CN103426033B (en) 2013-07-31 2013-07-31 Power distribution network fault recovery optimization rebuilding method based on critical path method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310330248.XA CN103426033B (en) 2013-07-31 2013-07-31 Power distribution network fault recovery optimization rebuilding method based on critical path method

Publications (2)

Publication Number Publication Date
CN103426033A true CN103426033A (en) 2013-12-04
CN103426033B CN103426033B (en) 2017-05-03

Family

ID=49650739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310330248.XA Active CN103426033B (en) 2013-07-31 2013-07-31 Power distribution network fault recovery optimization rebuilding method based on critical path method

Country Status (1)

Country Link
CN (1) CN103426033B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104123684A (en) * 2014-08-04 2014-10-29 国家电网公司 Power distribution network economy reconstructing method considering network loss and reliability
CN105553084A (en) * 2016-03-04 2016-05-04 云南电网有限责任公司电力科学研究院 Implementation method for automatic switching device of emergency power supply
CN106684862A (en) * 2016-12-15 2017-05-17 国网黑龙江省电力有限公司 Method of searching distribution network load transfer path based on greedy algorithm
CN106786774A (en) * 2017-02-10 2017-05-31 云南电网有限责任公司电力科学研究院 A kind of micro-capacitance sensor failure reconfiguration method and system based on expert system
CN107145963A (en) * 2017-04-06 2017-09-08 浙江大学 A kind of power distribution network method for searching path based on depth-first
CN107732910A (en) * 2017-11-22 2018-02-23 延海平 A kind of method of fast recovery of power supply
CN107846011A (en) * 2017-07-17 2018-03-27 中国南方电网有限责任公司 A kind of distribution network failure restoration methods based on main distribution Collaborative Control
CN107994551A (en) * 2017-11-22 2018-05-04 国电南瑞科技股份有限公司 The fast quick-recovery processing method of failure based on transmission & distribution collaboration
CN108075472A (en) * 2017-12-28 2018-05-25 国网山东省电力公司滨州供电公司 A kind of supply path setting method based on intelligent terminal
CN108631298A (en) * 2018-03-30 2018-10-09 国电南瑞科技股份有限公司 A kind of unit style distribution network restoration strategy-generating method based on load balancing distribution
CN112116308A (en) * 2020-08-10 2020-12-22 中山大学 Automatic generation method, system and device of operation ticket and storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4622968B2 (en) * 2006-08-30 2011-02-02 株式会社明電舎 Power interchange method for distribution automation system
CN102097865A (en) * 2011-03-25 2011-06-15 武汉大学 Method for restoring power supply in power system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4622968B2 (en) * 2006-08-30 2011-02-02 株式会社明電舎 Power interchange method for distribution automation system
CN102097865A (en) * 2011-03-25 2011-06-15 武汉大学 Method for restoring power supply in power system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
葛亮: "含分布式电源的配电网故障恢复研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 *
赵倩: "配电网非健全信息故障诊断及故障处理", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑 》 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104123684B (en) * 2014-08-04 2017-02-15 国家电网公司 Power distribution network economy reconstructing method considering network loss and reliability
CN104123684A (en) * 2014-08-04 2014-10-29 国家电网公司 Power distribution network economy reconstructing method considering network loss and reliability
CN105553084B (en) * 2016-03-04 2019-03-29 云南电网有限责任公司电力科学研究院 A kind of implementation method of automatic switching device of standby power supply
CN105553084A (en) * 2016-03-04 2016-05-04 云南电网有限责任公司电力科学研究院 Implementation method for automatic switching device of emergency power supply
CN106684862A (en) * 2016-12-15 2017-05-17 国网黑龙江省电力有限公司 Method of searching distribution network load transfer path based on greedy algorithm
CN106786774B (en) * 2017-02-10 2019-05-28 云南电网有限责任公司电力科学研究院 A kind of micro-capacitance sensor failure reconfiguration method and system based on expert system
CN106786774A (en) * 2017-02-10 2017-05-31 云南电网有限责任公司电力科学研究院 A kind of micro-capacitance sensor failure reconfiguration method and system based on expert system
CN107145963A (en) * 2017-04-06 2017-09-08 浙江大学 A kind of power distribution network method for searching path based on depth-first
CN107846011A (en) * 2017-07-17 2018-03-27 中国南方电网有限责任公司 A kind of distribution network failure restoration methods based on main distribution Collaborative Control
CN107846011B (en) * 2017-07-17 2020-06-30 中国南方电网有限责任公司 Power distribution network fault recovery method based on main and distribution network cooperative control
CN107732910A (en) * 2017-11-22 2018-02-23 延海平 A kind of method of fast recovery of power supply
CN107994551A (en) * 2017-11-22 2018-05-04 国电南瑞科技股份有限公司 The fast quick-recovery processing method of failure based on transmission & distribution collaboration
CN107732910B (en) * 2017-11-22 2020-12-04 厦门高瑞特电气自动化有限公司 Method for rapidly recovering power supply
CN108075472A (en) * 2017-12-28 2018-05-25 国网山东省电力公司滨州供电公司 A kind of supply path setting method based on intelligent terminal
CN108631298A (en) * 2018-03-30 2018-10-09 国电南瑞科技股份有限公司 A kind of unit style distribution network restoration strategy-generating method based on load balancing distribution
CN112116308A (en) * 2020-08-10 2020-12-22 中山大学 Automatic generation method, system and device of operation ticket and storage medium

Also Published As

Publication number Publication date
CN103426033B (en) 2017-05-03

Similar Documents

Publication Publication Date Title
CN103426033A (en) Power distribution network fault recovery optimization rebuilding algorithm based on critical path method
CN107846011B (en) Power distribution network fault recovery method based on main and distribution network cooperative control
CN105515188B (en) A kind of power distribution network centralization feeder automation fault handling method
CN104360228B (en) Method for improving positioning of fault section of power distribution network including distributed power supply through directional elements
CN104767182A (en) Fault processing method for overhead line type power distribution network
CN102998597B (en) Method for accelerating power distribution network fault tolerance location
CN104753063A (en) Transformer substation bus load transferring method and system
CN105281304A (en) Quick feeder fault positioning and isolating method
WO2014089958A1 (en) Distribution network failure isolation and recovery method realizing penetration distributed generation
CN104537484A (en) Power grid load loss risk assessment method based on PSASP model and emergency power supply automatic throw-in strategy
CN104242467A (en) Intelligent self-healing controlling method of feeder line of distribution network
CN105337314B (en) A kind of multi-source based on distributed power source black starting-up technology coordinates control fault handling method
CN102243280A (en) FDIR (fault detection, isolation and reconfiguration)-based fault diagnosis method for power system
CN105301451A (en) Intelligent feed line control terminal
CN111030058A (en) Power distribution network partition protection method based on 5G communication
CN102981096B (en) A kind of data grid fault identification method of decomposing based on WAMS sequential
CN107069964B (en) A kind of intelligent distributed FA and master station-centralized FA Synergistic method
CN104319743B (en) The method and apparatus of the main transformer high-pressure side Fast Operating Backup Protection based on station domain information
CN105977970B (en) A kind of power distribution network intelligent trouble restoration methods containing distributed generation resource
CN103944166B (en) Area power grid reconstructing method based on single transformer station power supply mode collection
CN102611085B (en) Intertripping simulation analysis method
CN205355175U (en) Power battery organizes structure
CN111049131A (en) Method and system for generating regional power grid online fault disposal plan
CN106651113A (en) Dispatcher operation risk evaluation method based on advanced N-1 analysis
CN103269121A (en) Substation secondary system dynamic reconfiguration device and reconfiguration method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: STATE GRID ELECTRIC POWER RESEARCH INSITITUTE ELEC

Free format text: FORMER OWNER: STATE GRID ELECTRIC POWER RESEARCH INSITITUTE SHAANXI ELECTRIC POWER RESEARCH INSTITUTE

Effective date: 20131224

Owner name: STATE ELECTRIC NET CROP.

Free format text: FORMER OWNER: NARI TECHNOLOGY DEVELOPMENT CO., LTD.

Effective date: 20131224

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 210061 NANJING, JIANGSU PROVINCE TO: 100031 XICHENG, BEIJING

TA01 Transfer of patent application right

Effective date of registration: 20131224

Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Applicant after: State Grid Corporation of China

Applicant after: State Grid Electric Power Research Insititute

Applicant after: Power Science Research of Shaanxi electric power company

Applicant after: NARI Technology Development Co., Ltd.

Address before: High road high tech Development Zone Nanjing city Jiangsu province 210061 No. 20

Applicant before: NARI Technology Development Co., Ltd.

Applicant before: State Grid Electric Power Research Insititute

Applicant before: Shaanxi Electric Power Research Institute

GR01 Patent grant
GR01 Patent grant